Data sources Radiation-induced cancer

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increased risk of solid cancer dose a-bomb survivors


the associations between ionizing radiation exposure , development of cancer based on lss cohort of japanese atomic bomb survivors, largest human population ever exposed high levels of ionizing radiation. cohort exposed high heat, both initial nuclear flash of infrared light , following blast due exposure firestorm , general fires developed in both cities respectively, survivors underwent hyperthermia therapy various degrees. hyperthermia, or heat exposure following irradiation known in field of radiation therapy markedly increase severity of free-radical insults cells following irradiation. presently no attempts have been made cater confounding factor, not included or corrected in dose-response curves group.


additional data has been collected recipients of selected medical procedures , 1986 chernobyl disaster. there clear link (see unscear 2000 report, volume 2: effects) between chernobyl accident , unusually large number, approximately 1,800, of thyroid cancers reported in contaminated areas, in children.


for low levels of radiation, biological effects small may not detected in epidemiological studies. although radiation may cause cancer @ high doses , high dose rates, public health data regarding lower levels of exposure, below 10 msv (1,000 mrem), harder interpret. assess health impacts of lower radiation doses, researchers rely on models of process radiation causes cancer; several models predict differing levels of risk have emerged.


studies of occupational workers exposed chronic low levels of radiation, above normal background, have provided mixed evidence regarding cancer , transgenerational effects. cancer results, although uncertain, consistent estimates of risk based on atomic bomb survivors , suggest these workers face small increase in probability of developing leukemia , other cancers. 1 of recent , extensive studies of workers published cardis, et al. in 2005 . there evidence low level, brief radiation exposures not harmful.








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